2004–05 Regionalliga

Regionalliga
Season2004–05
PromotedEintracht Braunschweig
SC Paderborn 07
Kickers Offenbach
Sportfreunde Siegen
RelegatedKFC Uerdingen 05
Borussia Dortmund II
VfL Wolfsburg II
Arminia Bielefeld II
1. FC Union Berlin
1. SC Feucht
1. FSV Mainz 05 II
FC Nöttingen

The 2004–05 Regionalliga season was the eleventh season of the Regionalliga at tier three of the German football league system. It was contested in two geographical divisions with eighteen teams in the south and nineteen in the north. The champions, Eintracht Braunschweig and Kickers Offenbach, and the runners-up, SC Paderborn 07 and Sportfreunde Siegen, of every division were promoted to the 2. Bundesliga.